Mariner 4WD L4-2.3L VIN Z (2005)
1. Fabricate a cleaning tool from a 1/8-inch diameter brazing rod.
2. Cut an abrasive pad with the dimensions corresponding to the coupling size.
3. Assemble the pad to the tool.
4. Coat the abrasive pad with mineral oil.
5. Roll the pad on the tool and install it in a variable speed drill motor.
6. CAUTION: Maintain low speed drill rotation when inserting or removing the cleaning tool to prevent axial scratches which may cause
future leaks.
Polish for 1 minute at moderate speed (less than 1,500 rpm) or until the surface is clean and free of scratches or foreign material.
7. Clean the fitting with a lint-free cloth.
8. Inspect the surface for grooves or scratches. If grooves and scratches are still present, install a new component.
